Beverage container coaster



FIG. 1 is a right, front side perspective view of a beverage container coaster, embodying my new design;

FIG. 2 is an alternate right, front side perspective view thereof, shown in use;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing of a beverage container in FIG. 2 is included for the purpose of illustrating environment of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a beverage container coaster, as shown and described. 